#ifndef A_H
#define A_H

#include <qobject.h>
#include "b.h"
class a:public QObject
{
     Q_OBJECT  //必须加，否则出现一些奇怪问题
public:
    a();
  void  amain();
  QThread *qt;
public
 slots:
    void returnb();
signals:
   void startSignal();

};

#endif // A_H
